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| Mirrors > Home > HSE Home > Th. List > nmopnegi | Structured version Visualization version GIF version | ||
| Description: Value of the norm of the negative of a Hilbert space operator. Unlike nmophmi 32124, the operator does not have to be bounded. (Contributed by NM, 10-Mar-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| nmopneg.1 | ⊢ 𝑇: ℋ⟶ ℋ |
| Ref | Expression |
|---|---|
| nmopnegi | ⊢ (normop‘(-1 ·op 𝑇)) = (normop‘𝑇) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | neg1cn 12139 | . . . . . . . . . 10 ⊢ -1 ∈ ℂ | |
| 2 | nmopneg.1 | . . . . . . . . . 10 ⊢ 𝑇: ℋ⟶ ℋ | |
| 3 | homval 31834 | . . . . . . . . . 10 ⊢ ((-1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑦 ∈ ℋ) → ((-1 ·op 𝑇)‘𝑦) = (-1 ·ℎ (𝑇‘𝑦))) | |
| 4 | 1, 2, 3 | mp3an12 1460 | . . . . . . . . 9 ⊢ (𝑦 ∈ ℋ → ((-1 ·op 𝑇)‘𝑦) = (-1 ·ℎ (𝑇‘𝑦))) |
| 5 | 4 | fveq2d 6835 | . . . . . . . 8 ⊢ (𝑦 ∈ ℋ → (normℎ‘((-1 ·op 𝑇)‘𝑦)) = (normℎ‘(-1 ·ℎ (𝑇‘𝑦)))) |
| 6 | 2 | ffvelcdmi 7028 | . . . . . . . . 9 ⊢ (𝑦 ∈ ℋ → (𝑇‘𝑦) ∈ ℋ) |
| 7 | normneg 31237 | . . . . . . . . 9 ⊢ ((𝑇‘𝑦) ∈ ℋ → (normℎ‘(-1 ·ℎ (𝑇‘𝑦))) = (normℎ‘(𝑇‘𝑦))) | |
| 8 | 6, 7 | syl 17 | . . . . . . . 8 ⊢ (𝑦 ∈ ℋ → (normℎ‘(-1 ·ℎ (𝑇‘𝑦))) = (normℎ‘(𝑇‘𝑦))) |
| 9 | 5, 8 | eqtrd 2776 | . . . . . . 7 ⊢ (𝑦 ∈ ℋ → (normℎ‘((-1 ·op 𝑇)‘𝑦)) = (normℎ‘(𝑇‘𝑦))) |
| 10 | 9 | eqeq2d 2752 | . . . . . 6 ⊢ (𝑦 ∈ ℋ → (𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦)) ↔ 𝑥 = (normℎ‘(𝑇‘𝑦)))) |
| 11 | 10 | anbi2d 637 | . . . . 5 ⊢ (𝑦 ∈ ℋ → (((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦))) ↔ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦))))) |
| 12 | 11 | rexbiia 3086 | . . . 4 ⊢ (∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦))) ↔ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))) |
| 13 | 12 | abbii 2808 | . . 3 ⊢ {𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦)))} = {𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))} |
| 14 | 13 | supeq1i 9354 | . 2 ⊢ sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦)))}, ℝ*, < ) = sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))}, ℝ*, < ) |
| 15 | homulcl 31852 | . . . 4 ⊢ ((-1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (-1 ·op 𝑇): ℋ⟶ ℋ) | |
| 16 | 1, 2, 15 | mp2an 699 | . . 3 ⊢ (-1 ·op 𝑇): ℋ⟶ ℋ |
| 17 | nmopval 31949 | . . 3 ⊢ ((-1 ·op 𝑇): ℋ⟶ ℋ → (normop‘(-1 ·op 𝑇)) = sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦)))}, ℝ*, < )) | |
| 18 | 16, 17 | ax-mp 5 | . 2 ⊢ (normop‘(-1 ·op 𝑇)) = sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘((-1 ·op 𝑇)‘𝑦)))}, ℝ*, < ) |
| 19 | nmopval 31949 | . . 3 ⊢ (𝑇: ℋ⟶ ℋ → (normop‘𝑇) = sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))}, ℝ*, < )) | |
| 20 | 2, 19 | ax-mp 5 | . 2 ⊢ (normop‘𝑇) = sup({𝑥 ∣ ∃𝑦 ∈ ℋ ((normℎ‘𝑦) ≤ 1 ∧ 𝑥 = (normℎ‘(𝑇‘𝑦)))}, ℝ*, < ) |
| 21 | 14, 18, 20 | 3eqtr4i 2774 | 1 ⊢ (normop‘(-1 ·op 𝑇)) = (normop‘𝑇) |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 397 = wceq 1548 ∈ wcel 2121 {cab 2719 ∃wrex 3065 class class class wbr 5075 ⟶wf 6485 ‘cfv 6489 (class class class)co 7360 supcsup 9347 ℂcc 11031 1c1 11034 ℝ*cxr 11173 < clt 11174 ≤ cle 11175 -cneg 11373 ℋchba 31012 ·ℎ csm 31014 normℎcno 31016 ·op chot 31032 normopcnop 31038 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 ax-pre-sup 11111 ax-hilex 31092 ax-hfvadd 31093 ax-hvcom 31094 ax-hv0cl 31096 ax-hvaddid 31097 ax-hfvmul 31098 ax-hvmulid 31099 ax-hvmulass 31100 ax-hvdistr1 31101 ax-hvmul0 31103 ax-hfi 31172 ax-his1 31175 ax-his3 31177 ax-his4 31178 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-map 8769 df-en 8888 df-dom 8889 df-sdom 8890 df-sup 9349 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-div 11803 df-nn 12170 df-2 12239 df-3 12240 df-n0 12433 df-z 12520 df-uz 12784 df-rp 12938 df-seq 13959 df-exp 14019 df-cj 15056 df-re 15057 df-im 15058 df-sqrt 15192 df-abs 15193 df-hnorm 31061 df-hvsub 31064 df-homul 31824 df-nmop 31932 |
| This theorem is referenced by: nmoptri2i 32192 |
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